Headers Install

Mx3Baker · Post by **Mx3Baker** » November 13th, 2007, 9:30 am

I just ordered some headers and all new exhaust and i got to thinking i hope i dont have to take out my motor the put the back header on.... anyone know?

sk8erdude802 · Post by **sk8erdude802** » November 13th, 2007, 9:36 am

I was under the impression that you had to or it was alot easier if you did but you may be able to jimmy it in there. Good luck.

Steve-O

solo_ryder · Post by **solo_ryder** » November 13th, 2007, 9:57 am

Its definately easier to install the header if the motor is out. However, you can do it with the motor in. Take off the intake manifold and get the thing on some ramps and you can do it, but its tough and will take time. Make sure you have a swivel neck for your socket wrench.

Tunes67 · Post by **Tunes67** » November 13th, 2007, 10:12 am

Take off the intake manifold

Why do you have to take off the intake manifold? Granted I did my headers with the engine out of the car.. but does removing the intake give better access to the top bolts somehow or did you mean exhaust manifold?

Tunes67

Mx3Baker · Post by **Mx3Baker** » November 13th, 2007, 1:36 pm

that doesnt sound good.... so im thinking it might worth jacking the motor up?

solo_ryder · Post by **solo_ryder** » November 13th, 2007, 2:51 pm

Tunes67 wrote:
Take off the intake manifold
Why do you have to take off the intake manifold? Granted I did my headers with the engine out of the car.. but does removing the intake give better access to the top bolts somehow or did you mean exhaust manifold?

Tunes67

So you can get at the bolts easier.. Its not to hard to take off the IM

Tunes67 · Post by **Tunes67** » November 13th, 2007, 3:06 pm

Ok thats what I was wondering..

Tunes67

mx3autozam · Post by **mx3autozam** » November 13th, 2007, 3:28 pm

If you remove the intake manifold it will allow for easy access to the rear. When I installed mine last year I did it in the car and never removed the manifold..I don't think it was soo hard..just need some nice swivel wrenches that ratchet.

bazzle · Post by **bazzle** » November 19th, 2007, 12:33 pm

are there headers for my 93gs and what kinds are there

solo_ryder · Post by **solo_ryder** » November 19th, 2007, 12:53 pm

bazzle wrote:are there headers for my 93gs and what kinds are there

Basically there is pacesetters, hotshots (both u may have to find used) and ss-autochrome ones like these:

http://cgi.ebay.ca/Mazda-MX6-93-95-Ford ... dZViewItem

hgallegos915 · Post by **hgallegos915** » November 19th, 2007, 2:07 pm

make sure you got a 1st aid kit for the cuts if you do it with the engine in

Bolverk · Post by **Bolverk** » May 6th, 2011, 1:34 am

So possible to replace headers with engine in and intake manifold on? Or best to take the IM off?

johnmx3ze · Post by **johnmx3ze** » May 6th, 2011, 7:31 am

its not that hard to do it with the engine in the car... no need to take off the intake...

if i were you i would try it without removing anything and if you cant then remove the IM...

Daninski · Post by **Daninski** » May 6th, 2011, 9:28 am

Once installed your exhaust will need to have about 9" cut off. Like everyone says removing the intake takes about 5mins. Place something over the opening in case you drop something into the engine. lol

mitmaks · Post by **mitmaks** » May 6th, 2011, 4:07 pm

I would think it would be pita trying to remove frozen exhaust manifold bolts unless you take engine out

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